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Old 12-27-2006, 10:01 PM   #1
Four
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Registered: Aug 2005
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wireless linux via command line


As most things I'am learning how to use command line for just about anything. I have noticed though that command line programs have fewer bugs than gui that is why I'm asking how to connect to the internet using a wireless card and WPA security from the command line.

My specs: kubuntu

Currently I use nm-applet. Its ok but it has some bugs that I learned to work around e.g. before suspending to remove the network card and put it back when resumed. Also remove network card for a minute if something happens then put it back and connect using nm-applet.

I would like to try the command line and see maby if this is likely to be avoided And I don't like how it tries to automaticly connect.

Thank you
 
Old 12-27-2006, 10:27 PM   #2
pda_h4x0r
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Assuming you have already configured WPA from the GUI and it works (i.e. /etc/wpa_supplicant.conf exists and is properly written), then configuring it to start and stop from the command-line is a breeze. Simply edit your /etc/network/interfaces file and add this under your wireless network interface:

up wpa_supplicant -i<interface> -c/etc/wpa_supplicant.conf -Bw
down killall wpa_supplicant

Here, replace <interface> with your NIC's network interface. For example, here's my configuration (my wireless NIC interface is eth2)

Code:
iface eth2 inet dhcp
up wpa_supplicant -ieth2 -c/etc/wpa_supplicant.conf -Bw
down killall wpa_supplicant
Now, whenever you bring up your wireless card, WPA will start automatically. Whenever you shut it down, WPA will stop automatically. You can do this from the command-line with "sudo ifup <interface>" and "sudo ifdown <interface>", where <interface> is your wireless interface (with my config, this would be eth2).

Last edited by pda_h4x0r; 12-27-2006 at 10:28 PM.
 
  


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